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Taiwan
This is Kevin Chang, dynamic web developer and skilled product strategist, adept in leveraging technologies like React and Next.js to develop engaging web applications. Specialized in creating user-focused solutions, as evidenced in the AI Baby Board Book Web app. Combines front-end skills with a keen sense of product development, aiming to contribute to a team that values innovation and user experience.
Jul. 2023 - Jan. 2024
Developed & designed "AI Baby Board Book" website using React and Next.js for interactive parent-child reading content, integrated with Leonardo.Ai API, Firestore as database, deployed on Vercel. Demo Link: https://baby-board-book.vercel.app/
Built a full-stack e-commerce site with JavaScript, HTML, CSS, Python Flask, MySQL, and integrated TapPay credit card payment API, deployed on AWS EC2. Demo Link: http://13.112.47.131:3000/
Created a React accounting application with useState hook and Firestore as the database, deployed on Vercel
Collaborated with 5 team members, using Git for version control, and developed a weather web application. Used JavaScript to get user location and fetch open weather data
Apr. 2022 - Jul. 2023
Optimized new user registration process, increased registration conversion rate by 10%
Integrated Passkey identity verification in the login process to provide faster and more secure verification, and reduced SMS verification volume by 52%
Designed and developed Crypto WODL game, which gained 4.6 million unique visitors within six months and had a 7-day retention rate of 90%, higher than the 80% of the entire Binance.com site
Mar. 2020 - Mar. 2022
Planned video editing Android & iOS App product strategy and features, increased product usage by 442% and revenue by 158%
Designed photo editing Android & iOS product strategy and features, managed development schedule, and increased subscription user revenue by 34%
Designed and planned AI image processing features and UI processes, helping product revenue grow by 26% and reducing subscription user churn rate by 10%
Sep. 2017 - Mar. 2020
Planned and executed 4K projector product projects, achieving a sales target completion rate of 132%, helping Amazon US 4K market revenue grow by 178%, and profit grow by 71%
Planned smart home projector new product projects and developed BenQ's first 4K wireless smart projector
2015 - 2017
2011 - 2014
AI-Powered Parent-Child Shared Reading
Live Demo: https://baby-board-book.vercel.app/
GitHub Repo: https://github.com/kvchgtw/baby-board-book
Features:
Used Next.js to Integrate with Leonardo.Ai API and Webhook to generate Pixar-like high quality images
Utilized React Hook useState to build prompt-less UI and interactive quiz mode
Adopted React Slick to build image carousel, customized carousel RWD UI
Leveraged Sign up with Google & Apple, optimized users' onboarding experience
Used Firestore as the database to save created image urls
Utilized CSS to build button clicking animation
Implemented RWD to make the application mobile-friendly
Deployed the website on Vercel, ensuring smooth and reliable access for users
A Travel E-commerce Website
Live Demo: http://13.112.47.131:3000/
GitHub Repo: https://github.com/kvchgtw/taipei-day-trip
Features:
Used HTML, CSS & JavaScript to develop front-end layout
Utilized JavaScript call back function to build infinite scroll page and dynamically checking database response
Developed RESTful API for all pages to use GET, POST, DELETE methods to interact with
database
Used MySQL database to store member data, deployed on AWS EC2
Implemented JWT for member state authentication
Integrated TapPay Payment API to support credit card transactions
Built back-end server with Python Flask
Product Management Product Roadmap Planning Data Analysis UX/UI Design Figma Project Management JavaScript HTML/CSS React Python AWS EC2 Next.js Git MySQL Firestore Database
English — Fluent
Madarin — Native
Taiwan
This is Kevin Chang, dynamic web developer and skilled product strategist, adept in leveraging technologies like React and Next.js to develop engaging web applications. Specialized in creating user-focused solutions, as evidenced in the AI Baby Board Book Web app. Combines front-end skills with a keen sense of product development, aiming to contribute to a team that values innovation and user experience.
Jul. 2023 - Jan. 2024
Developed & designed "AI Baby Board Book" website using React and Next.js for interactive parent-child reading content, integrated with Leonardo.Ai API, Firestore as database, deployed on Vercel. Demo Link: https://baby-board-book.vercel.app/
Built a full-stack e-commerce site with JavaScript, HTML, CSS, Python Flask, MySQL, and integrated TapPay credit card payment API, deployed on AWS EC2. Demo Link: http://13.112.47.131:3000/
Created a React accounting application with useState hook and Firestore as the database, deployed on Vercel
Collaborated with 5 team members, using Git for version control, and developed a weather web application. Used JavaScript to get user location and fetch open weather data
Apr. 2022 - Jul. 2023
Optimized new user registration process, increased registration conversion rate by 10%
Integrated Passkey identity verification in the login process to provide faster and more secure verification, and reduced SMS verification volume by 52%
Designed and developed Crypto WODL game, which gained 4.6 million unique visitors within six months and had a 7-day retention rate of 90%, higher than the 80% of the entire Binance.com site
Mar. 2020 - Mar. 2022
Planned video editing Android & iOS App product strategy and features, increased product usage by 442% and revenue by 158%
Designed photo editing Android & iOS product strategy and features, managed development schedule, and increased subscription user revenue by 34%
Designed and planned AI image processing features and UI processes, helping product revenue grow by 26% and reducing subscription user churn rate by 10%
Sep. 2017 - Mar. 2020
Planned and executed 4K projector product projects, achieving a sales target completion rate of 132%, helping Amazon US 4K market revenue grow by 178%, and profit grow by 71%
Planned smart home projector new product projects and developed BenQ's first 4K wireless smart projector
2015 - 2017
2011 - 2014
AI-Powered Parent-Child Shared Reading
Live Demo: https://baby-board-book.vercel.app/
GitHub Repo: https://github.com/kvchgtw/baby-board-book
Features:
Used Next.js to Integrate with Leonardo.Ai API and Webhook to generate Pixar-like high quality images
Utilized React Hook useState to build prompt-less UI and interactive quiz mode
Adopted React Slick to build image carousel, customized carousel RWD UI
Leveraged Sign up with Google & Apple, optimized users' onboarding experience
Used Firestore as the database to save created image urls
Utilized CSS to build button clicking animation
Implemented RWD to make the application mobile-friendly
Deployed the website on Vercel, ensuring smooth and reliable access for users
A Travel E-commerce Website
Live Demo: http://13.112.47.131:3000/
GitHub Repo: https://github.com/kvchgtw/taipei-day-trip
Features:
Used HTML, CSS & JavaScript to develop front-end layout
Utilized JavaScript call back function to build infinite scroll page and dynamically checking database response
Developed RESTful API for all pages to use GET, POST, DELETE methods to interact with
database
Used MySQL database to store member data, deployed on AWS EC2
Implemented JWT for member state authentication
Integrated TapPay Payment API to support credit card transactions
Built back-end server with Python Flask
Product Management Product Roadmap Planning Data Analysis UX/UI Design Figma Project Management JavaScript HTML/CSS React Python AWS EC2 Next.js Git MySQL Firestore Database
English — Fluent
Madarin — Native